package main 

import(
	"fmt"
	"os"
	"strconv"
)

func main() {
	var s,sep string 
	for i :=1;i<len(os.Args);i++{
		s+=sep+os.Args[i]+ " "+strconv.Itoa(i)
		sep = " "
	}

	fmt.Println(s)
}